Thermogravimetric analysis
Thermogravimetric analysis for characterization of the pellets produced with different forest and agricultural residues
... DIMITRAKOPOULOS, A. P. Thermogravimetric analysis of Mediterranean plant species. Journal of Analytical and Applied Pyrolysis, 2001. v. 60, n. 2, p. 123–130. Available from: <https:// ...
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A comprehensive evaluation of water uptake on atmospherically relevant mineral surfaces: DRIFT spectroscopy, thermogravimetric analysis and aerosol growth measurements
... Figure 1 shows the water adsorption isotherm obtained af- ter applying the Kubelka-Munk function to the DRIFTS data. The isotherm exhibits type III characteristics indicative of a low adsorption enthalpy in the contact ...
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Quantifi cation of Aerospace Polymer Blends by Thermogravimetric Analysis and Infrared Spectrometry
... ABSTRACT: Ethylene-propylene-diene elastomer (EPDM) is employed as thermal insulation for rocket motors, as well as EPDM blends with ethylene vinyl acetate (EVA) have been used in the aerospace industry. The quantifi ...
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Thermal Behaviour of Five Different Date Palm Residues of Algeria by Thermogravimetric Analysis
... the thermogravimetric analysis (TGA) is one of the techniques used to determine the thermal properties of five different date palm residues that were studied: (date palm rachis (DPR), date palm trunk (DPT), ...
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Cellulose microfibril-water interaction as characterized by isothermal thermogravimetric analysis and scanning electron microscopy
... Microfibrillated celluloses, liberated from macroscopic lignocellulosic fibers by mechanical means, are sub-fiber elements with lengths in the micron scale and diameters ranging from 10 to a few hundred nanometers. These ...
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Evaluation of Decomposition Kinetics of Poly (Ether-Ether-Ketone) by Thermogravimetric Analysis
... The thermogravimetric plot`s analysis shows that the thermal decomposition of PEEK occurs in a more complex way then observed in nitrogen atmosphere. It can be observed at least two partially overlapped ...
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Alumina supported niobium oxide prepared by chemical vapor deposition: characterization by vibrational spectroscopy and thermogravimetric analysis.
... Evi- dência adicional deste fato é o aumento de tamanho de cristalito observado com o aumento da temperatura de calcinação Da mesma forma, esta interpretação pode explicar as pequenas di[r] ...
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Mat. Res. vol.16 número5
... result confirms that the intermolecular and intramolecular interactions between hydroxyl groups in LPIT are stronger than in LEUG. This behaviour may be associated with the higher thermal stability and higher E a ...
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Braz. J. Phys. vol.39 número4
... Studies devoted to Ag addition in Y-123 samples have shown its numerous advantages. The aim of this study is to produce and characterize pellets of silver doped Y-123 by different routes. The samples were characterized ...
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Eclet. Quím. vol.31 número1
... well-established thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques have been reliably widely used over many decades in studying the thermal behaviour and properties of ...
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Polímeros vol.24 número4
... Abstract: Plasticizers play a key role in the formulation of polymers and in determining their physical properties and processability. This study examines the effect of di(2-ethyl hexyl)phthalate (DEHP) as plasticizer on ...
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Caesalpinia echinata Lam. - BRAZILWOOD: THERMAL BEHAVIOR, STRUCTURAL CHARACTERISTICS, AND RESISTANCE TO BIODETERIORATION IN STATIC SYSTEMS1
... the thermogravimetric analysis is shown in Figure ...the thermogravimetric test the ones related to the loss of humidity and the temperature of beginning of degradation are the most relevant for the ...
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Matéria (Rio J.) vol.22 número3
... The melting and crystallization temperature and crystallinity degree were obtained by differential scanning calorimetry (DSC), in a Netzsch DSC 200 F3device. The samples were heated from 25°C to 200°C at a rate of ...
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THERMOGRAVIMETRIC APPROACH FOR ASSESSING THE OXIDATION LEVEL OF A BIODIESEL SAMPLE Luis Díaz-Ballote
... Thermogravimetric analysis (TGA) is a technique where the mass lost is recorded as a function of increasing temperature in a controlled environment. The technique provides data concerning the thermal ...
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Synergistic evaluation of the biomass/coal blends for co-gasification purposes
... Approximately 95% of electricity in South Africa is generated from coal, which is a fossil fuel that has detrimental environmental impacts. Eskom has started investigating the possibility of co-firing coal with biomass ...
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Cerâmica vol.62 número363
... Calcium pyrophosphate (CPP) was prepared by a simple precipitation method using avian eggshell waste as a low-cost alternative calcium precursor source. The synthesized CPP powder was characterized by X-ray diffraction ...
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J. Braz. Chem. Soc. vol.26 número10
... (XRD), thermogravimetric analysis (TG/DTA), scanning electron microscope (SEM), elemental analysis CHN, Raman, potentiometric titration, saturation magnetization and Brunauer-Emmett-Teller (BET) ...
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Rev. bras. farmacogn. vol.25 número3
... size analysis, differential scanning calorimetry, thermogravimetric analysis, and scanning electron ...and thermogravimetric analysis indicate that the profile curves of the ...
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Non-isothermal decomposition kinetics of conductive polyaniline and its derivatives
... by thermogravimetric analysis (TGA), under inert and oxidative atmospheres, using Flynn-Wall-Ozawa’s approach to assess the kinetic parameters of the decomposition ...
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Acid Aging Effects on Surfaces of PTFE Gaskets Investigated by Thermal Analysis
... by Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry ...under analysis is commercialized by two alternative producers in form of Teflon ...
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